SARUNN ER Smart Ring
Available Options
Smart Ring is a discreet health and fitness tracker designed for all-day wear. It monitors sleep patterns, heart rate, and blood oxygen levels while counting steps and tracking various activities. With IP68 waterproofing, it withstands water exposure up to 90 meters. The device features a long battery life, magnetic charging, and compatibility with both Android and iOS devices, offering lifetime app access without subscription fees.
Features
- Sleep monitoring
- Heart rate tracking
- IP68 waterproof
- No subscription fee
- Step counting
- Long battery life
Product details
General specs
- Brand: SARUNN ER
- Charging Method: Magnetic
- OS Compatibility: Android, iOS
- Water Resistance: IP68
Starting from $22.80
Last price update: 11/9/25
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Smart Ring with Sleep Monitoring Diverse health monitoring modes
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Smart Health Ring Heart rate monitoring
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Smart Ring Health Tracker Comprehensive real-time health monitoring
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Smart Ring Fitness tracking
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Smart Health Ring Fitness Tracker Monitors heart rate and blood oxygen
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Smart Ring 24/7 Health Insights
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| Brand | SARUNN ER | Aichiken | Generic | HitTopss | Aichiken | Rugsoul |
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| Price | $22.80 | $65.99 | $29.99 | $29.99 | $65.99 | $69.00 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 |
| package_dimensions | 3.62 x 3.62 x 1.22 inches | 3 x 3 x 1 inches | 3.07 x 2.91 x 1.73 inches | 3 x 3 x 1 inches | 1.57 x 1.18 x 0.79 inches | |
| item_weight | 3.2 ounces | 2.39 ounces | 2.89 ounces | 2.39 ounces | 1 Ounces | |
| batteries | 1 A batteries required. (included) | 1 Lithium Ion batteries required. (included) | 1 Lithium Polymer batteries required. (included) | 1 Lithium Ion batteries required. (included) | 3 AAA batteries required. | |
| standing_screen_display_size | 0.1 Inches | 1 Centimeters | 0.2 Inches | |||
| memory_storage_capacity | 4 MB | 64 MB | 4 MB | 64 MB | ||
| country_of_origin | China | China | China | China | ||
| date_first_available | April 2, 2025 | April 21, 2025 | December 25, 2024 | February 28, 2025 | ||